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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/sync/notifier/server_notifier_thread.h"
#include <string>
#include <vector>
#include "base/logging.h"
#include "chrome/browser/sync/notifier/chrome_invalidation_client.h"
#include "jingle/notifier/listener/notification_defines.h"
namespace sync_notifier {
ServerNotifierThread::ServerNotifierThread(bool use_chrome_async_socket)
: notifier::MediatorThreadImpl(use_chrome_async_socket),
state_(notifier::STATE_CLOSED) {}
ServerNotifierThread::~ServerNotifierThread() {}
void ServerNotifierThread::ListenForUpdates() {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this,
&ServerNotifierThread::StartInvalidationListener));
}
void ServerNotifierThread::SubscribeForUpdates(
const std::vector<std::string>& subscribed_services_list) {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(
this, &ServerNotifierThread::RegisterTypesAndSignalSubscribed));
}
void ServerNotifierThread::Logout() {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
worker_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this,
&ServerNotifierThread::StopInvalidationListener));
MediatorThreadImpl::Logout();
}
void ServerNotifierThread::SendNotification(
const OutgoingNotificationData& data) {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
NOTREACHED() << "Shouldn't send notifications if "
<< "ServerNotifierThread is used";
}
void ServerNotifierThread::OnInvalidate(syncable::ModelType model_type) {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
LOG(INFO) << "OnInvalidate: " << syncable::ModelTypeToString(model_type);
// TODO(akalin): Signal notification only for the invalidated types.
parent_message_loop_->PostTask(
FROM_HERE,
NewRunnableMethod(
this,
&ServerNotifierThread::SignalIncomingNotification));
}
void ServerNotifierThread::OnInvalidateAll() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
LOG(INFO) << "OnInvalidateAll";
parent_message_loop_->PostTask(
FROM_HERE,
NewRunnableMethod(
this,
&ServerNotifierThread::SignalIncomingNotification));
}
void ServerNotifierThread::OnClientStateChangeMessage(
notifier::LoginConnectionState state) {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
state_ = state;
if (state_ != notifier::STATE_OPENED) {
// Assume anything but an opened state invalidates xmpp_client().
StopInvalidationListener();
}
MediatorThreadImpl::OnClientStateChangeMessage(state);
}
void ServerNotifierThread::StartInvalidationListener() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
if (state_ != notifier::STATE_OPENED) {
return;
}
buzz::XmppClient* client = xmpp_client();
if (client == NULL) {
LOG(DFATAL) << "xmpp_client() unexpectedly NULL";
return;
}
StopInvalidationListener();
chrome_invalidation_client_.reset(new ChromeInvalidationClient());
// TODO(akalin): Make cache_guid() part of the client ID. If we do
// so and we somehow propagate it up to the server somehow, we can
// make it so that we won't receive any notifications that were
// generated from our own changes.
const std::string kClientId = "server_notifier_thread";
chrome_invalidation_client_->Start(kClientId, this, client);
}
void ServerNotifierThread::RegisterTypesAndSignalSubscribed() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
if (state_ != notifier::STATE_OPENED) {
return;
}
chrome_invalidation_client_->RegisterTypes();
parent_message_loop_->PostTask(
FROM_HERE,
NewRunnableMethod(
this,
&ServerNotifierThread::SignalSubscribed));
}
void ServerNotifierThread::SignalSubscribed() {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
if (delegate_) {
delegate_->OnSubscriptionStateChange(true);
}
}
void ServerNotifierThread::SignalIncomingNotification() {
DCHECK_EQ(MessageLoop::current(), parent_message_loop_);
if (delegate_) {
// TODO(akalin): Fill this in with something meaningful.
IncomingNotificationData notification_data;
delegate_->OnIncomingNotification(notification_data);
}
}
void ServerNotifierThread::StopInvalidationListener() {
DCHECK_EQ(MessageLoop::current(), worker_message_loop());
chrome_invalidation_client_.reset();
}
} // namespace sync_notifier
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